(IIF([Application From] = -1, DLookup("[A]","tblcosts","tblcosts.district = [district]),0) + IIF([Startup Declaration] = -1,DLookup("[B]","tblcosts", "tblcosts.district = [district]), 0) + IIF([Post Start] = -1, DLookup("[C]", "tblcosts", "tblcosts.district = [district]), 0))As...